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Jiahao Sun

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Book Open access Sep 2026

Decentralized Learning with Communication-Efficient Learned Gradient Sketches

Decentralized learning eliminates single-point-of-failure risks inherent in parameter-server architectures, but its practical deployment is bottlenecked by the communication cost of exchanging full-precision gradients over peer-to-peer links. Existing compression techniques—random quantization, sparsification, and fixe...

Ze-Hua Cheng, Wei Dai, Jia-Hao Sun · 0 citations
#artificial intelligence Preprint Oct 2026

SoK: Decentralized Agent Economic Infrastructure

Decentralized agent economies increasingly build a single task from protocols that were designed and secured separately. This creates a simple problem: a workflow can look correct at each step and still produce the wrong outcome. For example, a correct escrow may release payment on an authorized approval that provides...

Rui Sun, Xi-Han Xiong, Qin Wang et al. · 0 citations
#natural language process... Preprint Sep 2026

Euston: Training Away Mathematical Sycophancy Without Losing the Mathematics

Euston is presented, an 8B mathematical claim-verification model trained to resist the all-false composition of the official evaluation sets and the low precision implied at realistic error prevalence, which is principally the all-false composition of the official evaluation sets.

Ze-Hua Cheng, Wei Dai, Jia-Hao Sun · 0 citations
Jul 2026

Constraint-Anchored Reasoning Traces

Constraint-Anchored Reasoning Traces (CART) is proposed, a neuro-symbolic framework that trains MLLMs to interleave natural language reasoning steps with symbolic constraint assertions: lightweight, machine-checkable statements about visual content.

Zehua Cheng, Wei Dai, Jiahao Sun · 0 citations

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